Norwegian Sea
IHO sea area 6 · -14° to 26° E, 61° to 77° N
- in force
- 1
- last 12 months
- 13
- archive messages
- 497
- categories
- 15
What the archive shows
497 messages are recorded since 1999-04-21 for the Norwegian Sea. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Cable ops accounts for 134 of 497 recorded messages (27%), the largest category group in this selection.
The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.
- An older warning still listed in force · issued 2026-08-28 09:28ZSurvey operations in Norwegian Sea by Amazon Conqueror towing twelve 10,000-meter cables, seven mile berth requested.
In force now · 1
Longest in force
By year
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
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26
By month (all years)
J
F
M
A
M
J
J
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S
O
N
D
By category · available archive
| Cable ops | 134 | 27% |
| Surveys | 109 | 22% |
| Missiles | 85 | 17% |
| Exercises | 62 | 12% |
| Nav aids | 31 | 6% |
| Quakes | 17 | 3% |
| Ordnance | 13 | 3% |
| Debris | 12 | 2% |
| Other | 12 | 2% |
| Containers | 9 | 2% |
| Incidents | 6 | 1% |
| Restricted | 4 | 1% |
| Derelicts | 1 | 0% |
| Mines | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROARC 129/18 · Exercises2018-06-18 → 2018-06-21Torpedo exercises 211100Z to 211900Z jun in area within ten miles of 70-10N 015-00E
- HYDROARC 126/18 · Exercises2018-06-15 → 2018-06-22Hazardous operations 1900Z to 0200Z commencing daily 18 thru 26 jun in areas bound by: a. 69-18.5N…
- HYDROLANT 1723/18 · Surveys2018-06-01 → 2018-07-08Survey operations in progress until 30 sep by M/V polarcus adira towing 12 8500 meter long cables in area…
- HYDROLANT 1694/18 · Surveys2018-05-30 → 2018-06-01Survey operations in progress until further notice by M/V polarcus adira towing 12 8500 meter long cables in…
- HYDROARC 93/18 · Exercises2018-05-25 → 2018-05-31Hazardous operations 1600Z to 2200Z daily 30 and 31 may in area bound by 69-01.5N 015-29.4E, 69-03.2N…
- HYDROARC 92/18 · Exercises2018-05-25 → 2018-06-01Hazardous operations 1900Z to 0200Z commencing daily 28 may thru 01 jun in areas bound by: a. 70-02.1N…
- HYDROARC 84/18 · Exercises2018-05-21 → 2018-05-31Torpedo exercises 0815Z to 1145Z daily 23 thru 31 may in areas within ten miles of: a. 70-15N 014-45E
- HYDROARC 75/18 · Surveys2018-05-17 → 2018-06-30Survey operations in progress until further notice by M/V ramform atlas towing 16 six mile long cables in…
- HYDROARC 58/18 · Surveys2018-04-26 → 2018-06-04Survey operations 27 apr thru 20 jun by M/V wg amundsen towing eight 5000 meter long cables in area bound by…
- HYDROLANT 1098/18 · Nav aids2018-04-03 → 2018-04-06All navigational aids at platform 211/29-D, 61-07.9N 001-44.2E inoperative
- HYDROARC 22/18 · Missiles2018-02-28 → 2018-03-19Hazardous operations, rocket launching 1700Z to 2100Z daily 03 thru 19 mar in areas bound by: a. 69-17.5N…
- HYDROLANT 610/18 · Nav aids2018-02-20 → 2018-04-03All navigational aids at platform 211/29-D, 61-07.9N 001-44.2E inoperative
- USGS-US2000BVCW · Quakes2017-11-28 → 2017-12-01Earthquake magnitude 5.5 (mww) in 72.599N 003.275E, depth 10 km at 281315Z nov 17
- HYDROARC 365/17 · Exercises2017-10-28 → 2017-10-31Hazardous operations 0900Z to 1400Z daily 30 oct thru 03 nov in area bound by 69-12.9N 016-36.6E, 69-14.3N…
- HYDROLANT 2922/17 · Surveys2017-09-20 → 2017-10-05Survey operations in progress until further notice by M/V polarcus asima towing 12 9000 meter long cables in…
- HYDROARC 268/17 · Surveys2017-09-12 → 2017-11-17Survey operations in progress until further notice by M/V polar empress towing 6000 meter long cables in…
- HYDROLANT 2796/17 · Containers2017-09-11 → 2017-09-14Two containers adrift in vicinity 73-08.1N 017-16.7E at 110330Z sep
- HYDROARC 262/17 · Containers2017-09-11 → 2017-09-14Two containers adrift in vicinity 73-08.1N 017-16.7E at 110330Z sep
- HYDROARC 238/17 · Other2017-08-29 → 2017-09-01Fishing gear abandoned in vicinity 72-59.4N 019-45.5E at 291200Z aug
- HYDROLANT 2454/17 · Exercises2017-08-09 → 2017-08-25Torpedo exercises 140800Z to 251530Z aug in areas within ten miles of: a. 70-10N 015-00E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.